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State Entity /Relationship diagram. ERD depicts relationships among data objects. The ERD is the notation that is used to conduct the data modeling activity. The primary
What does Level0 DFD means? Level0 DFD is called as 'fundamental system model' or 'context model'. In the context model the total software system is represented by a single bub
normal vector
APPLICATIONS SOFTWARE: As has been mentioned earlier, software may conveniently be divided into: systems software (i.e., programs designed to control the execution of other pr
What is the difference among an implicit and an explicit conceptual model?
Determine the primary activities of spiral model Below are the primary activities in this model: • Finalising Objective: Objectives are set for the particular phase of the
Write about the types of project plan. Quality plan - This plan explains the quality procedures and standards that will be used in a project. Validation plan - This plan explai
What does data dictionary contains? Name: The primary name of the data. Alias: other names used Where-used/How-used: A record of processes that use the data or control it
(a) Draw an Entity-Relationship model for the relational schema given in the Appendix. Show all the entities, relationships, relationship names, and attributes and also underline
What is Non-intrusive Testing? Testing that is transparent to the software under test; i.e., testing that does not alter the timing or processing characteristics of the software
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